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Incheon Intl

$333+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Find cheap flights from Heathrow to Incheon Intl with Cheapflights

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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in January or November, booked 24 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Air France deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 pmLHR - ICN
1 stop30h 10mAir France
Fri 1/2312:40 pmICN - LHR
1 stop17h 45mAir France
Deal found 12/14$673
This Etihad Airways deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:55 pmLHR - ICN
1 stop23h 00mEtihad Airways
Tue 1/205:50 pmICN - LHR
1 stop27h 15mEtihad Airways
Deal found 12/13$813
This Etihad Airways deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:55 pmLHR - ICN
1 stop28h 50mEtihad Airways
Sat 1/245:50 pmICN - LHR
1 stop21h 50mEtihad Airways
Deal found 12/13$840
This Air India deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:05 pmLHR - ICN
1 stop28h 25mAir India
Sat 1/1012:05 pmICN - LHR
1 stop40h 15mAir India
Deal found 12/15$929
This Shenzhen Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:10 pmLHR - ICN
1 stop33h 35mShenzhen Airlines
Wed 1/212:15 pmICN - LHR
2 stops61h 55mShenzhen Airlines
Deal found 12/13$931
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:45 pmLHR - ICN
1 stop16h 10mMultiple Airlines
Wed 12/3112:40 pmICN - LHR
1 stop17h 45mMultiple Airlines
Deal found 12/15$942
This FlightHub deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:20 pmLHR - ICN
1 stop32h 25mLOT
Fri 1/238:50 amICN - LHR
2 stops22h 10mLOT
Deal found 12/14$945
This KLM deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 pmLHR - ICN
1 stop14h 50mKLM
Sun 12/2811:05 pmICN - LHR
1 stop18h 55mKLM
Deal found 12/12$965
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:25 amLHR - ICN
1 stop16h 20mLOT
Mon 12/228:50 amICN - LHR
1 stop22h 10mLOT
Deal found 12/14$1,006
This FlightHub deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:30 amLHR - ICN
2 stops17h 45mMultiple Airlines
Fri 1/238:20 amICN - LHR
2 stops23h 35mMultiple Airlines
Deal found 12/14$1,010
This oojo deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:00 pmLHR - ICN
1 stop36h 30mAir India
Sun 1/412:05 pmICN - LHR
1 stop41h 25mAir India
Deal found 12/15$1,032
This Asiana Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:10 pmLHR - ICN
Nonstop12h 40mAsiana Airlines
Sat 1/2412:25 pmICN - LHR
Nonstop14h 40mAsiana Airlines
Deal found 12/13$1,065

Find flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$497
(oojo)

One-way from

$333
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$1,044

Good round-trip deal

$1,068 or less

Good one-way deal

$649 or less
Provider with most accurate pricing for London Heathrow-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Incheon Intl flights.
Search Deals
From London Heathrow to Incheon Intl
Search Deals
One-way flight from London Heathrow to Incheon Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 3/9

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Fri 3/13

11:45 pm-6:30 pm

2 stops27h 45m

$676

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 2/3

9:55 am-7:00 pm

2 stops24h 05m

Incheon Intl

Fri 2/6

11:45 pm-4:25 pm

2 stops25h 40m

$682

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 3/11

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Wed 3/18

11:45 pm-4:00 pm

1 stop25h 15m

$692

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 3/11

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Mon 3/16

11:45 pm-4:25 pm

2 stops25h 40m

$696

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 3/7

8:45 am-11:15 am

1 stop17h 30m

Incheon Intl

Fri 3/20

1:05 pm-8:05 am

2 stops28h 00m

$724

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 6/11

8:30 am-9:55 am

1 stop17h 25m

Incheon Intl

Thu 6/18

12:25 pm-8:15 am

2 stops27h 50m

$737

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 2/6

10:30 am-10:50 am

1 stop15h 20m

Incheon Intl

Mon 2/9

1:05 pm-8:05 am

2 stops28h 00m

$742

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 1/17

8:30 am-11:15 am

2 stops17h 45m

Incheon Intl

Wed 2/4

1:30 pm-7:45 am

2 stops27h 15m

$796

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 1/14

9:00 pm-8:45 pm

1 stop14h 45m

$333

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 2/18

9:00 pm-11:15 am

2 stops29h 15m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 16 results
1
2

Compare providers for flights from Heathrow to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Incheon Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Incheon Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Incheon Intl. Price data was last updated on December 12, 2025.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $459). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of $818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 21% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

How much does it cost to fly round-trip from London Heathrow Airport to Incheon Intl Airport?

The best insider tips for London Heathrow Airport to Incheon Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Incheon Intl Airport trip
Airports
LHR

Heathrow's strict security means longer waits. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRBy Ramsey Qubein
ICN

Use the AREX express train for a quick 40-50 minute trip from Incheon to Seoul Station. It's fast and convenient.

Read more about ICNBy Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated December 15, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Air China from London Heathrow Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.2
Good
127 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Lufthansa
6.8
Okay
7,628 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Incheon Intl Airport?

    Departing from London Heathrow Airport to Incheon Intl Airport will take you 38h 10m. London Heathrow Airport and Incheon Intl Airport are separated by a distance of 5503 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is Air China. Our recent data shows that you can find tickets from as low as $530 on this airline. Additional options worth looking into are Lufthansa and Korean Air, starting at $620 and $821 round-trip. Users have found that Air China is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $370. However, be on the lookout for offers from Asiana Airlines and Korean Air, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Korean Air (88%), Virgin Atlantic (88%) or Asiana Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $889, our data shows the cheapest flight currently is $632. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $497 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $459). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of $818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$530Average$711FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$620Average$984FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$821Average$1,182FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$947Average$1,294FlexibilityNo cancel feeOn-time76%

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